document.addEventListener('DOMContentLoaded', async function () {
  // 获取统计数据
  const { data } = await axios.get('/dashboard')
  // 设置请求头->token
  // headers: {
  //   Authorization: localStorage.getItem('swhtoken-103')
  // }

  console.log(data)
  for (const key in data.overview) {
    // console.log(key) //对象的键
    // console.log(data.overview[key]) //对象的值
    document.querySelector(`[name=${key}]`).innerHTML = data.overview[key]
  }
  // 折线图函数调用
  lineYearChart(data.year)
  // 饼状空心图函数调用
  initSalaryChart(data.salaryData)
  // 两层柱状图函数调用
  initGroupChart(data.groupData)
  // 男女薪资分布图函数调用
  initgandbChart(data.salaryData)
  // 中国大地图函数调用
  initMapChart(data.provinceData)
})
// 折线图
const lineYearChart = (year) => {
  var myChart = echarts.init(document.getElementById('line'))
  const option = {
    // 大标题
    title: {
      text: '2021全学科薪资走势',
      left: 10,
      top: 15,
      textStyle: {
        fontSize: 16 //字体大小
      }
    },
    tooltip: {
      show: 'true',
      trigger: 'axis'
    },
    toolbox: {
      feature: {
        saveAsImage: {}
      }
    },
    // x轴样式
    xAxis: {
      type: 'category',
      // 利用数组方法让数据写活
      data: year.map((item) => item.month),
      axisLine: {
        show: true,
        lineStyle: {
          color: '#ccc',
          type: 'dashed'
        }
      },
      axisLabel: {
        show: true,
        color: '#999'
      }
    },
    // 刻度
    grid: {
      left: '10%',
      top: '20%'
    },
    // y轴样式
    yAxis: {
      type: 'value',
      splitLine: {
        lineStyle: {
          type: 'dashed',
          color: ['#ccc']
        }
      }
    },
    color: [
      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 1,
        y2: 1,
        colorStops: [
          {
            offset: 0,
            color: '#499FEE' // 0% 处的颜色
          },
          {
            offset: 1,
            color: '#5D75F0' // 100% 处的颜色
          }
        ]
      }
    ],
    series: [
      // 利用数组方法让数据写活
      {
        data: year.map((item) => item.salary),
        type: 'line',
        smooth: true,
        symbol: 'emptyCircle',
        symbolSize: 10,
        lineStyle: {
          width: 5
        },

        // 区域颜色
        areaStyle: {
          color: {
            type: 'linear',
            x: 0,
            y: 0,
            x2: 0,
            y2: 1,
            colorStops: [
              {
                offset: 0,
                color: '#4d96ee' // 0% 处的颜色
              },
              {
                offset: 0.8,
                color: 'rgba(255,255,255,0.8)' // 0% 处的颜色
              },
              {
                offset: 1,
                color: 'rgba(255,255,255,0)' // 100% 处的颜色
              }
            ]
          }
        }
      }
    ]
  }
  myChart.setOption(option)
}
// 饼状空心图
const initSalaryChart = (salaryData) => {
  var myChart = echarts.init(document.getElementById('salary'))
  const option = {
    title: {
      text: '班级薪资分布',
      top: 15,
      left: 10,
      textStyle: {
        fontSize: 16
      }
    },
    color: ['#FDA224', '#5097FF', '#3ABCFA', '#34D39A', '#ee6666'],
    tooltip: {
      trigger: 'item'
    },
    legend: {
      bottom: '6%',
      left: 'center'
    },
    series: [
      {
        name: '班级薪资分布',
        type: 'pie',
        radius: ['50%', '64%'],
        center: ['50%', '45%'],
        avoidLabelOverlap: false,
        itemStyle: {
          borderRadius: 10,
          borderColor: '#fff',
          borderWidth: 2
        },
        label: {
          show: false,
          position: 'center'
        },
        // emphasis: {
        //   label: {
        //     // show: true,
        //     // fontSize: '40',
        //     // fontWeight: 'bold'
        //   }
        // },
        labelLine: {
          show: false
        },
        data: salaryData.map((item) => {
          return {
            value: item.g_count + item.b_count,
            name: item.label
          }
        })
        // data: [
        //   { value: 1048, name: '1万以下' },
        //   { value: 735, name: '2万以上' },
        //   { value: 580, name: '1.5-2万' },
        //   { value: 484, name: '2万以下' }
        // ]
      }
    ]
  }
  myChart.setOption(option)
}
// 两层柱状图
const initGroupChart = (groupData) => {
  var myChart = echarts.init(document.getElementById('lines'))
  const option = {
    tooltip: {
      trigger: 'item'
    },
    color: [
      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 0,
        y2: 1,
        colorStops: [
          {
            offset: 0,
            color: '#34D39A'
          },
          {
            offset: 1,
            color: 'rgba(52,211,154,0.2)'
          }
        ]
      },

      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 0,
        y2: 1,
        colorStops: [
          {
            offset: 0,
            color: '#499FEE' // 0% 处的颜色
          },
          {
            offset: 1,
            color: 'rgba(73,159,238,0.2)' // 100% 处的颜色
          }
        ]
      }
    ],
    grid: {
      left: 70,
      top: 30,
      right: 30,
      bottom: 50
    },
    legend: {
      data: ['期望薪资', '就业薪资']
    },
    toolbox: {
      show: true,
      feature: {
        dataView: { show: true, readOnly: false },
        magicType: { show: true, type: ['line', 'bar'] },
        restore: { show: true },
        saveAsImage: { show: true }
      }
    },
    calculable: true,
    xAxis: [
      {
        type: 'category',
        data: groupData[1].map((item) => item.name),
        axisLine: {
          lineStyle: {
            color: '#ccc',
            type: 'dashed'
          }
        }
      }
    ],
    yAxis: [
      {
        type: 'value'
      }
    ],
    series: [
      {
        name: '期望薪资',
        type: 'bar',
        data: groupData[1].map((item) => item.hope_salary)
      },
      {
        name: '就业薪资',
        type: 'bar',
        data: groupData[1].map((item) => item.salary)
      }
    ]
  }
  myChart.setOption(option)
  // 每一组的薪资
  // 给按钮注册点击事件
  const btns = document.querySelector('#btns')
  btns.addEventListener('click', function (e) {
    if (e.target.tagName === 'BUTTON') {
      // console.log(1)
      // 找到点击含有btn-blue类名的这个对象，并且移除类名
      btns.querySelector('.btn-blue').classList.remove('btn-blue')
      // e.target事件源
      e.target.classList.add('btn-blue')
      // 组号
      const zuhao = e.target.innerText
      // 点击按钮切换每组的数据
      option.xAxis[0].data = groupData[zuhao].map((item) => item.name)
      option.series[0].data = groupData[zuhao].map((item) => item.hope_salary)
      option.series[1].data = groupData[zuhao].map((item) => item.salary)
      myChart.setOption(option)
    }
  })
}
// 男女薪资分布图
const initgandbChart = (data) => {
  var myChart = echarts.init(document.getElementById('gender'))
  const option = {
    title: [
      {
        text: '男女薪资分布',
        left: 10,
        top: 20,
        textStyle: {
          fontSize: 16
        }
      },
      {
        text: '男生',
        left: '50%',
        top: '45%',
        textAlign: 'center',
        textStyle: {
          fontSize: 12
        }
      },
      {
        text: '女生',
        left: '50%',
        top: '85%',
        textAlign: 'center',
        textStyle: {
          fontSize: 12
        }
      }
    ],
    color: ['#FDA224', '#5097FF', '#3ABCFA', '#34D39A'],
    tooltip: {
      trigger: 'item'
    },
    series: [
      {
        type: 'pie',
        radius: ['20%', '30%'],
        center: ['50%', '30%'],
        // data: [{name:'1万以下',value: 4},...]
        data: data.map((item) => ({
          name: item.label,
          value: item.b_count
        }))
      },
      {
        type: 'pie',
        radius: ['20%', '30%'],
        center: ['50%', '70%'],
        // data: [{name:'1万以下',value: 4},...]
        data: data.map((item) => ({
          name: item.label,
          value: item.g_count
        }))
      }
    ]
  }
  myChart.setOption(option)
}
// 中国大地图
const initMapChart = (provinceData) => {
  const myEchart = echarts.init(document.querySelector('#map'))
  const dataList = [
    { name: '南海诸岛', value: 0 },
    { name: '北京', value: 0 },
    { name: '天津', value: 0 },
    { name: '上海', value: 0 },
    { name: '重庆', value: 0 },
    { name: '河北', value: 0 },
    { name: '河南', value: 0 },
    { name: '云南', value: 0 },
    { name: '辽宁', value: 0 },
    { name: '黑龙江', value: 0 },
    { name: '湖南', value: 0 },
    { name: '安徽', value: 0 },
    { name: '山东', value: 0 },
    { name: '新疆', value: 0 },
    { name: '江苏', value: 0 },
    { name: '浙江', value: 0 },
    { name: '江西', value: 0 },
    { name: '湖北', value: 0 },
    { name: '广西', value: 0 },
    { name: '甘肃', value: 0 },
    { name: '山西', value: 0 },
    { name: '内蒙古', value: 0 },
    { name: '陕西', value: 0 },
    { name: '吉林', value: 0 },
    { name: '福建', value: 0 },
    { name: '贵州', value: 0 },
    { name: '广东', value: 0 },
    { name: '青海', value: 0 },
    { name: '西藏', value: 0 },
    { name: '四川', value: 0 },
    { name: '宁夏', value: 0 },
    { name: '海南', value: 0 },
    { name: '台湾', value: 0 },
    { name: '香港', value: 0 },
    { name: '澳门', value: 0 }
  ]
  // 拿到provincedata的每一项数据
  dataList.forEach((item) => {
    const obj = provinceData.find(
      (it) =>
        it.name.replace(
          /省|回族自治区|维吾尔自治区|壮族自治区|特别行政区|自治区/g,
          ''
        ) === item.name
    )
    if (obj) item.value = obj.value
  })
  let option = {
    title: {
      text: '籍贯分布',
      top: 10,
      left: 10,
      textStyle: {
        fontSize: 16
      }
    },
    tooltip: {
      trigger: 'item',
      formatter: '{b}: {c} 位学员',
      borderColor: 'transparent',
      backgroundColor: 'rgba(0,0,0,0.5)',
      textStyle: {
        color: '#fff'
      }
    },
    visualMap: {
      min: 0,
      max: 6,
      left: 'left',
      bottom: '20',
      text: ['6', '0'],
      inRange: {
        color: ['#ffffff', '#0075F0']
      },
      show: true,
      left: 40
    },
    geo: {
      map: 'china',
      roam: false,
      zoom: 1.0,
      label: {
        normal: {
          show: true,
          fontSize: '10',
          color: 'rgba(0,0,0,0.7)'
        }
      },
      itemStyle: {
        normal: {
          borderColor: 'rgba(0, 0, 0, 0.2)',
          color: '#e0ffff'
        },
        emphasis: {
          areaColor: '#34D39A',
          shadowOffsetX: 0,
          shadowOffsetY: 0,
          shadowBlur: 20,
          borderWidth: 0,
          shadowColor: 'rgba(0, 0, 0, 0.5)'
        }
      }
    },
    series: [
      {
        name: '籍贯分布',
        type: 'map',
        geoIndex: 0,
        data: dataList
      }
    ]
  }
  myEchart.setOption(option)
}
